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zipcodes.pro — STATE/KY/COUNTY/GRANT

Grant County, KY ZIP codes

Grant County, KY has 6 ZIP codes, in 6 towns: 41035, 41097, 41030, 41010, 41052 and 41054.

The county seat is Williamstown.

ZIP codes
6
Towns
6
County seat
Williamstown
County FIPS
21081
Population
25,418
Median household income
$69,178
Land area
258 sq mi
Metro area
Cincinnati

Grant County ZIP codes by town

Williamstown (county seat)
41097

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Grant County ZIP codes

410104103041035410524105441097

The ZIP codes of Grant County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Grant County in numbers

About 25,418 people live in Grant County, in 9,224 households, the 45th most populous of Kentucky's 120 counties. The median household income is $69,178 a year, 9% above the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $209,500 (about the same as the Kentucky median), and median gross rent is $862 a month. The median age is 36.6; 15.3% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 27 minutes.

Population25,418Grant25,418
Households9,224Grant9,224
Median age36.6Grant36.6Kentucky39.1US 38.9
Median household income$69,178Grant$69,178Kentucky$63,726US $80,734
Median home value$209,500Grant$209,500Kentucky$205,600US $332,700
Median gross rent$862Grant$862Kentucky$967US $1,413
Bachelor's degree or higher15.3%Grant15.3%Kentucky27.6%US 35.7%
Mean commute26.9 minGrant26.9 minKentucky24.0 minUS 26.4 min
Population density99 / sq miGrant99 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Grant County

Largest towns in Grant County
TownZIP codesPopulation
Crittenden 1 4,084
Williamstown 1 3,945
Dry Ridge 1 2,441
Jonesville 1 311
Corinth 1 226

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Grant County.

Not sure you are in Grant County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Grant County, with figures

ZIP codes in Grant County
ZIP City Type Population Median income Median home
41010 Corinth , KY Standard 3,239 $71,204 $169,800
41030 Crittenden , KY Standard 6,162 $83,488 $248,300
41035 Dry Ridge , KY Standard 11,415 $68,138 $198,900
41052 Jonesville , KY Standard 311 $70,842 $158,300
41054 Mason , KY No street area — — —
41097 Williamstown , KY Standard 7,801 $77,524 $221,500

Cite this page

zipcodes.pro. “Grant County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ky/county/grant

Underlying data is public domain or openly licensed — sources, vintages and licences.